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Research Detail

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M.M. Hossain
Agrotechnology Discipline, Khulna University, Khulna 9208, Bangladesh

P. Gain*
Agrotechnology Discipline, Khulna University, Khulna 9208, Bangladesh

M.A. Mannan
Agrotechnology Discipline, Khulna University, Khulna 9208, Bangladesh

M. M. Islam
Agrotechnology Discipline, Khulna University, Khulna 9208, Bangladesh

The effect of seedling age and seedling number per hill on yield and yield contributing characters of Transplant Aman rice in Khulna region was investigated from July to December 2002. The treatments included in the experiment consisted of 4 seedling age (viz.15, 25, 35 and 45 day old seedling) and 5 seedling number hill1 (viz. 1, 2, 3, 4 and 5). It was found that 25 day old seedling produced the tallest plant (118.87 cm), highest number of total tiller hill-1 (33.02), number of effective tiller hill-1 (30.37), longest panicle length (25.85 cm), highest number of grain panicle-1 (154.33), grain yield (5.14 t ha-1) and harvest index (43.28). Number of seedlings hill-1 had significant effect on plant height, total tillers hill-1, effective tillers hill-1, number of grains panicle-1, 1000 grain weight, grain yield and harvest index. The highest number of total tillers hill-1 (34.25), effective tillers hill-1 (32.11), number of grains panicle-1 (161.72), grain yield (5.19 t ha-1) and harvest index (45.72%) were found when two seedlings were planted hill-1. The highest value for 1000 grain weight (23.67g) was recorded when one seedling was planted hill-1. It was evident that two seedlings hill-1 with 25 day old seedling showed better performance in respect of growth and yield of rice. 

  Seedling age, Seedling number, Rice
  Khulna region
  00-07-2002
  00-12-2002
  Crop-Soil-Water Management
  Rice

Therefore, decisions about seedlings age need to be adjusted to match growing season and climatic differences as well as local conditions. Seedling(s) hill-1 is an important factor for the growth and yield of rice. Optimal population density and leaf area influence the availability of sunlight and nutrients for growth and development (Donald, 1963). In the light of the above background, the present research work was undertaken to study the effect of seedling age and number of seedling hill-1 on yield of transplant Aman rice (BR23).  

Therefore, decisions about seedlings age need to be adjusted to match growing season and climatic differences as well as local conditions. Seedling(s) hill-1 is an important factor for the growth and yield of rice. Optimal population density and leaf area influence the availability of sunlight and nutrients for growth and development (Donald, 1963). In the light of the above background, the present research work was undertaken to study the effect of seedling age and number of seedling hill-1 on yield of transplant Aman rice (BR23).  

  Khulna University Studies, 8(2): 294-299, 2007
  
Funding Source:
1.   Budget:  
  

It can be concluded from the result of the present study that transplanted Aman rice variety BR23 can be produced successfully when 25 day old seedlings are planted at the rate of two seedlings per hill. 

  Journal
  

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